Now made with better long RJ12 plugs that fit RJ11 sockets. I only use high grade Cat 6 cable with copper wires 4 pair 8 core but only 2 pairs are connected! in fact for a modem you only need 1 pair.
Cat6 BT Infinity 2M Modem cable VDSL RJ11 to RJ11 High speed Broadband router
Cat6 BT Infinity 8M Modem cable VDSL RJ11 to RJ11 High speed Broadband router
Cat6 10M BT Infinity Modem Router cable VDSL RJ11 / RJ11 High Quality, Gaming
20M - BT Infinity VDSL Broadband - Red RJ45 Cat6 FTP Shielded cable - WHITE rare
20M - BT Infinity VDSL Broadband - Red RJ45 Cat6 FTP Shielded cable - Black rare
4M Cat6 Shielded Modem router cable VDSL RJ11/RJ11 vdsl BT Infinity etc
